SHG Tomography for Domain Structure Observations—An Application to 3D Visualizations of Periodically Poled Domains

S. Kawado Department of Physics, Waseda University, 3-4-1, Okubo, Shinjuku-ku, Tokyo, 169-8555, Japan

H. Yokota Department of Physics, Waseda University, 3-4-1, Okubo, Shinjuku-ku, Tokyo, 169-8555, Japan

J. Kaneshiro Department of Physics, Waseda University, 3-4-1, Okubo, Shinjuku-ku, Tokyo, 169-8555, Japan

Y. Uesu Department of Physics, Waseda University, 3-4-1, Okubo, Shinjuku-ku, Tokyo, 169-8555, Japan

Abstract

A novel confocal second harmonic generation (SHG) interference microscope with a transmission optical system is devised. This microscope is a kind of SHG tomography which provides us 3-dimensional images of heterogeneous structures in polar materials in non-destructive way. We apply successfully this microscope to observations of periodically poled domain structures in quasi-phase matching devices.

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SHG Tomography for Domain Structure Observations—An Application to 3D Visualizations of Periodically Poled Domains

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SHG Tomography for Domain Structure Observations—An Application to 3D Visualizations of Periodically Poled Domains

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